<?php
namespace app\common\model;
use think\Model;
class CardUserFee extends model
{
    //自动完成
    protected $auto = [];      //  写入
    protected $insert = [       //新增
        'create_time'
    ];
    protected $update = [];     //保存

    protected function setCreateTimeAttr()
    {
        return time();
    }
}
